| NOUN | cognition | theory of preformation, preformation | a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell |
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| Meaning | A theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell. | |
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| Synonym | preformation | |
| Broader | theory | A well-substantiated explanation of some aspect of the natural world |
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